Home / 51,462.33-71,021.15-28,800.86

Finding the Fourth Proportional to 51,462.33, 71,021.15 and 28,800.86

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Solution

The fourth proportional to 51,462.33, 71,021.15 and 28,800.86 is: 39,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,462.33 : 71,021.15 = 28,800.86 : x
  2. Step 2: Convert to fraction form
    51,462.33/71,021.15 = 28,800.86/x
  3. Step 3: Cross multiply
    51,462.33x = 71,021.15 × 28,800.86
  4. Step 4: Simplify right side
    51,462.33x = 2,045,469,965.41
  5. Step 5: Solve for x
    x = 2,045,469,965.41/51,462.33
  6. Step 6: Final answer
    x = 39,746.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.